// Ninf-G-XX, ver. 0.1
// Copyright 2011 National Institute of Advanced Industrial Science and Technology
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef __NC_LOGGER_H__
#define __NC_LOGGER_H__
#include <stdio.h>
#include <stdarg.h>

namespace ninf { 
namespace lib {

class Logger{
  FILE * fp;
  int    logTag;
  
  void log(int tag, const char * fmt, va_list list);

public:
  /** create Logger */
  Logger(const char * filename);

  /** create Logger */
  Logger(FILE * fp);

  /** create Logger with stderr*/
  Logger();

  /** set tag as logTag */
  void setLogTag(int tag);

  /** add the tag as logTag */
  void addLogTag(int tag);

  /** print out log with tag 1 */
  void log(const char * fmt, ...);

  /** print out log */
  void log(int tag, const char * fmt, ...);

  /** print out log with tag 2 */
  void debug(const char * fmt, ...);
};
}
}
#endif 
